Overview
The STM32H743IG, produced by STMicroelectronics, is a high-performance microcontroller based on the Arm® Cortex®-M7 32-bit RISC core. This device operates at up to 480 MHz and features a double-precision floating point unit (FPU) and a memory protection unit (MPU) to enhance application security. It is part of the STM32H742xI/G and STM32H743xI/G series, known for their advanced capabilities and extensive range of peripherals.
The STM32H743IG is designed to meet the demands of high-performance applications, offering a robust set of features including high-speed embedded memories, multiple communication interfaces, and advanced analog peripherals. This makes it an ideal choice for various industrial, automotive, and consumer electronics applications.
Key Specifications
| Specification | Details |
|---|---|
| Core | 32-bit Arm® Cortex®-M7 core with double-precision FPU and L1 cache (16 Kbytes of data and 16 Kbytes of instruction cache), up to 480 MHz, MPU, 1027 DMIPS/ 2.14 DMIPS/MHz (Dhrystone 2.1), and DSP instructions |
| Memories | Up to 2 Mbytes of flash memory with read-while-write support, up to 1 Mbyte of RAM (including 192 Kbytes of TCM RAM, up to 864 Kbytes of user SRAM, and 4 Kbytes of backup SRAM) |
| Memory Interface | Dual mode Quad-SPI memory interface up to 133 MHz, flexible external memory controller with up to 32-bit data bus |
| Power Management | 3 separate power domains (D1, D2, D3), 1.62 to 3.6 V application supply and I/Os, POR, PDR, PVD, and BOR |
| Communication Interfaces | Up to 35 communication peripherals including I2Cs, USARTs, SPIs, SAIs, SD/SDIO/MMC, CAN controllers, USB OTG, and Ethernet MAC |
| Analog Peripherals | 3 ADCs with 16-bit max. resolution, 2 DACs, 2 ultra-low power comparators, 2 operational amplifiers, and digital filters for sigma delta modulators |
| Timers and Watchdogs | 1 high-resolution timer, 2 32-bit timers, 2 16-bit advanced motor control timers, 10 16-bit general-purpose timers, 5 16-bit low-power timers, and 2 watchdogs |
| Graphics and Display | LCD-TFT controller up to XGA resolution, Chrom-ART graphical hardware Accelerator (DMA2D), and Hardware JPEG Codec |
| Package | LQFP 176, UFBGA 176+25, and other variants |
Key Features
- Includes ST state-of-the-art patented technology
- 32-bit Arm® Cortex®-M7 core with double-precision FPU and L1 cache, operating at up to 480 MHz
- High-speed embedded memories: up to 2 Mbytes of flash memory and up to 1 Mbyte of RAM
- Dual mode Quad-SPI memory interface and flexible external memory controller
- Extensive range of enhanced I/Os and peripherals connected to APB buses, AHB buses, and multi-layer AXI interconnect
- Multiple communication interfaces: I2Cs, USARTs, SPIs, SAIs, SD/SDIO/MMC, CAN controllers, USB OTG, and Ethernet MAC
- Advanced analog peripherals: ADCs, DACs, ultra-low power comparators, operational amplifiers, and digital filters for sigma delta modulators
- Graphics capabilities: LCD-TFT controller, Chrom-ART graphical hardware Accelerator (DMA2D), and Hardware JPEG Codec
- Low-power modes: Sleep, Stop, Standby, and VBAT supporting battery charging
- Security features: ROP, PC-ROP, active tamper, and CRC calculation unit
Applications
- Industrial automation and control systems
- Automotive systems, including infotainment and driver assistance
- Consumer electronics, such as smart home devices and wearables
- Medical devices requiring high performance and low power consumption
- Aerospace and defense applications needing robust and secure microcontrollers
- IOT devices and edge computing applications
Q & A
- What is the core architecture of the STM32H743IG?
The STM32H743IG is based on the 32-bit Arm® Cortex®-M7 core with a double-precision FPU and L1 cache, operating at up to 480 MHz.
- How much flash and RAM does the STM32H743IG have?
The device has up to 2 Mbytes of flash memory and up to 1 Mbyte of RAM.
- What are the key communication interfaces available on the STM32H743IG?
The device features multiple communication interfaces including I2Cs, USARTs, SPIs, SAIs, SD/SDIO/MMC, CAN controllers, USB OTG, and Ethernet MAC.
- What are the advanced analog peripherals available on this microcontroller?
The STM32H743IG includes 3 ADCs, 2 DACs, 2 ultra-low power comparators, 2 operational amplifiers, and digital filters for sigma delta modulators.
- Does the STM32H743IG support low-power modes?
Yes, it supports low-power modes such as Sleep, Stop, Standby, and VBAT with battery charging capability.
- What security features are included in the STM32H743IG?
The device includes security features like ROP, PC-ROP, active tamper, and a CRC calculation unit.
- What is the maximum operating frequency of the timers on the STM32H743IG?
The timers can operate up to 240 MHz.
- Does the STM32H743IG support graphics and display capabilities?
Yes, it includes an LCD-TFT controller up to XGA resolution, Chrom-ART graphical hardware Accelerator (DMA2D), and a Hardware JPEG Codec.
- What are the typical applications for the STM32H743IG?
The device is suitable for industrial automation, automotive systems, consumer electronics, medical devices, aerospace, and IOT applications.
- What are the available package options for the STM32H743IG?
The device is available in various packages including LQFP 176 and UFBGA 176+25.
- How does the STM32H743IG manage power consumption?
The device features 3 separate power domains that can be independently clock-gated or switched off, and it supports voltage scaling in Run and Stop mode.
